#!/usr/bin/env python3

# Copyright (c) 2020-2025 Fpemud <fpemud@sina.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.


import abc
from .._handy import Unit


class Target(Unit):

    @staticmethod
    @abc.abstractmethod
    def _create(parent, dir_path, **kwargs):
        pass

    @staticmethod
    @abc.abstractmethod
    def _exists(parent, dir_path, **kwargs):
        # should have same parameters with _create()
        pass

    def __init__(self, parent, **kwargs):
        if "name" in kwargs:
            assert "unit_name" not in kwargs
            super().__init__(parent, kwargs["name"] + ".target")
        elif "unit_name" in kwargs:
            super().__init__(parent, kwargs["unit_name"])
        else:
            assert False
